public function validate()
{
parent::validate();
if (!$this->blank) {
$this->valid_format("email", '/^[_a-zA-Z0-9-]+(\\.[_a-zA-Z0-9-\\+]+)*@[a-zA-Z0-9-]+(\\.[a-zA-z0-9-]+)*(\\.[a-zA-Z]{2,4})$/i');
}
}
/**
* Validates field's errors and returns them as array
* @return array
*/
public function validate()
{
if (is_null($this->sourceField)) {
$this->_addError("required option auto_source was not set");
} elseif (!$this->getModel()->hasField($this->sourceField)) {
$this->_addError("auto_source field '{$this->sourceField}' does not exists");
}
return parent::validate();
}